Road Stream Crossing Site TBW_TBAP238
Thunder Bay River Watershed, King Creek
Herron Road
Wilson Twp,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 45.047965
, -83.634636
T31N
R6E
Sec 25
Owned by Private
Fish Passability 0
Structure is NOT Perched
Total Erosion: 0 tons/year
Severity: Severe
Year Inventoried: 2017
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 28 ft.
, Width 16.5 ft.
, Height 7.2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.3 ft./sec.
Structure Outlet
Water Depth: 1.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.5 ft./sec.
*Water Velocities were measured 1 ft. below Surface
(with Meter)
Additional Comments
GUARDRAIL
Stream Information
Stream Flow: More than Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 1.6 ft.
Bankfull Width: 14.6 ft.
Wetted Width: 14.6 ft.
Water Velocity: 3.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Cobble
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0 tons/year
Summary Information
Fish Passability 0